KB0018: Loading edited HRV data into MindWare’s Impedance Application

This article will provide instructions on how to load data edited in MindWare’s Heart Rate Variability (HRV) Analysis Application into MindWare’s Impedance (IMP) Analysis Application.

Purpose: The benefits of loading previously-edited HRV data into the impedance application are time-savings and editing consistency. The user does not need to re-edit the ECG waveform, e.g., if R-peaks were edited in HRV these edits will now be carried over into the impedance application.

Caution: It is not always appropriate to use HRV edits in impedance or vice versa. See our blog post on the topic.

Step 1: Open the Impedance application and select the .mwi file that contains the HRV edits. Do not attempt to load the .edh file at this point.


Step 2: Select the “Additional Settings” tab and click the box under “Use Edited Data” found in Edit Settings.



Step 3: After the “Used Edited Data” box has been checked, a new window will appear. At this point, the edited data file that was created during HRV analysis should be loaded. This file will end with an “.edh” extension and can be found inside of the “edit data” folder alongside your .mwi file.


3Once an .edh file is loaded into the impedance application a warning will appear because the edit file was not created with the impedance application. (An edited data file that was created in HRV will contain the extension of “.edh” with the “h” standing for HRV. An edited data file that was created in the impedance application will contain the extension “.edi” with the “i” standing for Impedance.) This warning will appear whenever HRV edits are loaded in the impedance application or vice versa.

Step 4: Once the .edh file is loaded the “Edit Data Path” should have the location of the file that was just selected.  Once this is in place the file is ready to be analyzed.


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